CX/Gravel Tire Comparison:
Maxxis Rambler EXO/TR 120 TPI 2021 vs
Panaracer GravelKing SS TLC 2021

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Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion
  • Maxxis Rambler EXO/TR 120 TPI *
  • Panaracer GravelKing SS TLC *
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)
Pro Members get 9-point radar charts

Manufacturer Specifications


Manufacturer Specifications
Brand MaxxisPanaracer
Model Rambler EXO/TR 120 TPIGravelKing SS TLC
Year 20212021
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
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Manufacturer Part Number ETB00195800RF738-GK-SMS-B
EAN 4717784038070
TPI 120-
Compound DualZSG
Bead FoldingFolding
ETRTO 40-62240-622
Specified Weight 440 grams410 grams
Min Air Pressure 35 psi psi
Max Air Pressure 60 psi75 psi
Made In Members OnlyMembers Only
Available Sizes 38-622 (700x38c)
40-622 (700x40c)
45-622 (700x45c)
50-622 (700x50c)
47-584 (650x47b)
32-622 (700x32c)
35-622 (700x35c)
40-622 (700x38c)
43-622 (700x43c)
48-584 (650x48b)
Image
Maxxis Rambler EXO/TR 120 TPI 2021
Panaracer GravelKing SS TLC 2021
Image
Maxxis Rambler EXO/TR 120 TPI 2021
Panaracer GravelKing SS TLC 2021
Image
Maxxis Rambler EXO/TR 120 TPI 2021
Panaracer GravelKing SS TLC 2021

Size and Weight Measurements


Size and Weight Measurements
Model Rambler EXO/TR 120 TPIGravelKing SS TLC
Specified Weight 440 grams410 grams
Measured Weight 420 grams405 grams
Measured Width Casing 39 mm (un-round)36 mm (un-round)
Measured Width Tread 40 mm36 mm
Measured Height 37 mm (un-round)33 mm (un-round)
Measured Knob Height Center 1.4 mm0.2 mm
Measured Knob Height Edge 1.8 mm1.7 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
Measured Casing Thickness Center 1.80 mm2.80 mm
All size measurements are taken at low air pressure on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Rambler EXO/TR 120 TPIGravelKing SS TLC
Spin Up Video YouTubeYouTube
Inner Tube Conti Cross28 (160 gr)Conti Cross28 (160 gr)
Measured Width 39 mm36 mm
Rolling Resistance
Real tire width in mm:
30-32 = 66 psi/4.6 bar
33-35 = 60 psi/4.1 bar
36-38 = 54 psi/3.7 bar
39-42 = 50 psi/3.4 bar
High Air Pressure
Members OnlyMembers Only
Rolling Resistance
Real tire width in mm:
30-32 = 55 psi/3.8 bar
33-35 = 50 psi/3.4 bar
36-38 = 45 psi/3.1 bar
39-42 = 42 psi/2.9 bar
Medium Air Pressure
Members OnlyMembers Only
Rolling Resistance
Real tire width in mm:
30-32 = 44 psi/3.0 bar
33-35 = 40 psi/2.8 bar
36-38 = 36 psi/2.6 bar
39-42 = 33 psi/2.3 bar
Low Air Pressure
28.8 Watts
CRR: 0.00863
(33 psi / 2.3 bar)
23.0 Watts
CRR: 0.00689
(36 psi / 2.6 bar)
Rolling Resistance
Real tire width in mm:
30-32 = 33 psi/2.3 bar
33-35 = 30 psi/2.1 bar
36-38 = 27 psi/1.9 bar
39-42 = 25 psi/1.7 bar
Extra Low Air Pressure
34.5 Watts
CRR: 0.01034
(25 psi / 1.7 bar)
27.5 Watts
CRR: 0.00824
(27 psi / 1.9 bar)
The CX/Gravel section is a multi tire size section, air pressures have been adjusted to the measured casing width.

All numbers are for a single tire at a speed of 29 km/h / 18 mph and a load of 42.5 kg / 94 lbs.

Use the formula: RR (Watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load.

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model Rambler EXO/TR 120 TPIGravelKing SS TLC
Total Puncture Score Tread 28 Points45 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness 1.8 mm2.8 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Conclusion


Conclusion
Model Rambler EXO/TR 120 TPIGravelKing SS TLC
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 3.0 / 54.3 / 5
Buy At Ad Amazon.comAd Amazon.com
  • Maxxis Rambler EXO/TR 120 TPI *
  • Panaracer GravelKing SS TLC *
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 9-point radar charts


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